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Chapter 6. Fault diagnosis
Some simple trouble-shooting instructions are provided in this chapter. If more serious faults arise, please contact a
qualified technician.
Fault Solution
Transmitter display does not light up
Confirm that transmitter power cord is connected correctly and the power is
switched on.
Emergency does not work
Confirm that the emergency is connected correctly.
Confirm that “Alarm setting” is enabled.
Radiator power light does not light up
Confirm that radiator power cord is connected correctly.
Radiator input indicator does not light up
Confirm that the radiator input cable is connected correctly.
Receiver does not work properly
If dry batteries are used, please make sure that the batteries have sufficient
capacity and are assembled properly.
If rechargeable batteries are used, please make sure that the batteries are
fully charged.
Confirm that the earphone is connected correctly.
Switch on the receiver and confirm that the channel indicator works
properly.
Make sure that the receiver picks up sufficient IR signal and check the
antenna signal intensity indicator.
Check the receiver by taking it in front of the mini radiator of the transmitter
front panel.
Make sure that the volume is turned up.
Set the transmitter to test mode and check if the test tone is audible from the
receiver.
If all receivers do not work properly at this spot, testing the coverage area as
section 4.4.
Receiver sound with noise
Adjust the receiving distance.
Adjust the receiving direction.
Switch radiator to full output.
The charging indicator of the receiver
does not light up
Confirm that the Charging Case is working under proper conditions (see
technical data).
Confirm that the receiver battery pack is connected correctly.
Confirm that the receiver is at normal temperature.
If the charging indicator still does not light up, please replace the battery
pack.
Receiver discharges quickly
Replace the rechargeable battery.
Bad signal coverage effect
Testing the coverage area as section 4.4.